From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 213821E1A17; Tue, 1 Sep 2026 21:50:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788299447; cv=none; b=BO1SqzsLo+hcC4/XKVG48IQ3pYa0TwZ7DhDJnrMuZUr9OE70XVCAVe74sL7YEFOUqClHnnoE9/Adr1BSxG5r9YFhuK+Hv7lJUNzsoHpKplEijMkl7KrxszccAYLwxHkkB3mQe7Utocr4+C6eAC/UMKqszZRgxvltTOua6a7u6fY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788299447; c=relaxed/simple; bh=03IFzhMIe86O1tDUwMFTAH2bc2Wf2e5ofSlKnmvMwps=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=a3XiqCTPh49tPJLsp1+GgVk3fNnAXP11btzgbwCofXDD4f4hZyM6wEliqfbAWMvx/t+tGdEiqcjJQJdYEgO1xp9iRyUUBKdi/9CQHjXhahOtCilf5NKtcdq7sbgm5Lfag/f7ikSD2G+Zc/OJ7+Zac5AIL6kuzRJ9BetwPY3drHw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Bk0TvFDC; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Bk0TvFDC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4769B1F00A3D; Tue, 1 Sep 2026 21:50:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788299444; bh=7S1u1NUBMcaYrnhlVutGEefRSHacesekDiD9O9QWeIU=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=Bk0TvFDCwLVa+GQJHJYn2g7CLDqrNRx0t0IqP5iFtYv5KihthFDWcW0rmSuMhehPG kfXiXGAd/yykMQof/0C0cr4A8wJfmJtIA8HIgC+myjcg2xaTjBYyqNTchxDeNSmvNo YfupBRL2gUXAQ6dVCG2eOx4TRdW8tjWYv14EfKzRWnJm/G9Qm2aJCg/FYToS8A9VNi Dr1KSsaG5FDn0Jcf7wSLmViLAY0XqT6wHFEZVqMp8WRTfj64jajrhysMzqrvYim9lF iKrBAWaH4f+JkkFy7aM3AIprw3LZTNy53cuLJr/4d6k7j3T1jfn7g4x50R+ib/l/Vo 5qqyOR47O+jKw== From: Mark Brown Date: Tue, 01 Sep 2026 22:47:00 +0100 Subject: [PATCH v20 02/14] KVM: arm64: Fix FGT mapping for HFGITR_EL2.nGCSEPP Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260901-arm64-gcs-v20-2-f31750bdfadb@kernel.org> References: <20260901-arm64-gcs-v20-0-f31750bdfadb@kernel.org> In-Reply-To: <20260901-arm64-gcs-v20-0-f31750bdfadb@kernel.org> To: Catalin Marinas , Will Deacon , Marc Zyngier , Joey Gouly , Suzuki K Poulose , Shuah Khan , Oliver Upton , Fuad Tabba Cc: Peter Maydell , Leonardo Bras , Wei-Lin Chang , Yao Yuan , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Brown X-Mailer: b4 0.17-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1231; i=broonie@kernel.org; h=from:subject:message-id; bh=03IFzhMIe86O1tDUwMFTAH2bc2Wf2e5ofSlKnmvMwps=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBql0ieJtASYG9gKhKYFZFR2q7jGqYsV3vGZdvtf ZfQo6jxSpaJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCapdIngAKCRAk1otyXVSH 0P/hB/92IeSeCJYmi34v1rDavY+z6TcZkqhldqLJ87GeFsA+t4Lqg2T/3+OggmtRPI3DvRwVthB fEr9uV/PDr9mBoEBBfDqNB0O0NwfGFh0DhuB5YiyJEdNe0F901O06pO/kVL5RHnn+0RSIpeeCKr HqYPVcsRCsgcpgvIow19RMoSzDQLo6hPKWgtPITjYOiOFadtUquVw5O3xQxEoBkImMXr2CPPat3 zf4+6V4KXWcU1eW7nQjMePPdTUBUpz83W74CH82ePiMRt8s/RUDwojdqbMywWJrc7AG+8HQ7+55 uq6ZUfAE+VZoEkHHMMCzQnHsFoR+SECdmjnPA0oN7BjdILIY X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB The encoding to trap mapping currently maps a FGT on OP_GCSPOPX to HFGITR_EL2.nGCSEPP but as per DDI0601 2026-06 this FGT controls trapping of GCSPUSHX and GCSPOPCX, and not the separate GCSPOPX instruction. Update the mapping to reflect the architecture. Fixes: 863ac38984a82 ("KVM: arm64: Add missing HFGITR_EL2 FGT entries to nested virt") Reviewed-by: Leonardo Bras Signed-off-by: Mark Brown --- arch/arm64/kvm/emulate-nested.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kvm/emulate-nested.c b/arch/arm64/kvm/emulate-nested.c index 625604019fb3..3806ff0920fe 100644 --- a/arch/arm64/kvm/emulate-nested.c +++ b/arch/arm64/kvm/emulate-nested.c @@ -1445,7 +1445,7 @@ static const struct encoding_to_trap_config encoding_to_fgt[] __initconst = { SR_FGT(OP_AT_S1E1A, HFGITR, ATS1E1A, 1), SR_FGT(OP_COSP_RCTX, HFGITR, COSPRCTX, 1), SR_FGT(OP_GCSPUSHX, HFGITR, nGCSEPP, 0), - SR_FGT(OP_GCSPOPX, HFGITR, nGCSEPP, 0), + SR_FGT(OP_GCSPOPCX, HFGITR, nGCSEPP, 0), SR_FGT(OP_GCSPUSHM, HFGITR, nGCSPUSHM_EL1, 0), SR_FGT(OP_BRB_IALL, HFGITR, nBRBIALL, 0), SR_FGT(OP_BRB_INJ, HFGITR, nBRBINJ, 0), -- 2.47.3